| Knowle to Crest Hill (Illinois) | 3,891.71 mi (6,263.11 km) |
| Knowle to Crestview (Florida) | 4,361.22 mi (7,018.70 km) |
| Knowle to Crestwood (Illinois) | 3,874.17 mi (6,234.87 km) |
| Knowle to Crestwood (Missouri) | 4,122.60 mi (6,634.69 km) |
| Knowle to Creve Coeur (Missouri) | 4,119.94 mi (6,630.40 km) |
| Knowle to Crofton (Maryland) | 3,561.79 mi (5,732.14 km) |
| Knowle to Crossville (Tennessee) | 4,040.78 mi (6,503.01 km) |
| Knowle to Crowley (Louisiana) | 4,620.52 mi (7,436.01 km) |
| Knowle to Crowley (Texas) | 4,691.90 mi (7,550.88 km) |
| Knowle to Crown Point (Indiana) | 3,870.06 mi (6,228.26 km) |
| Knowle to Crystal (Minnesota) | 3,921.21 mi (6,310.57 km) |
| Knowle to Crystal Lake (Illinois) | 3,869.06 mi (6,226.66 km) |
| Knowle to Cudahy (California) | 5,352.16 mi (8,613.47 km) |
| Knowle to Cudahy (Wisconsin) | 3,818.12 mi (6,144.67 km) |
| Knowle to Cullman (Alabama) | 4,199.99 mi (6,759.23 km) |
